Chemistry Class 12 Answer Key 2023
Class 12 Chemistry Answer Key 2023: CBSE Chemistry Class 12 Exam concluded today 28th February 2023. Undoubtedly, after attempting the exam, each student wants to know which questions were correctly attempted by him/her and in which question he/she missed the chance. Here have discussed the detailed Class 12 Chemistry Answer Key 2023 in brief to give you an idea of how many marks you will score in the Chemistry Board Exam. No need to go anywhere else and there just stay with us and we will be covering all the questions one by one with their correct answers here after the exam is over.
CBSE Class 12 Chemistry Answer Key 2023
Our faculty will be discussing all the questions asked in the Class 12 Chemistry Exam, you just have to tally with those you have attempted & calculate your approximate marks. Chemistry Answer Key has been discussed in this article after the conduction of Class 12 Chemistry Exam on 28th February 2023.
|CBSE Class 12 Chemistry Answer Key 2023|
|Exam Conducting Body||Central Board of Secondary Education|
|Class||CBSE Class 12|
|Post Category||Answer Key|
|Class 12 Chemistry Exam Date||28th February 2023|
|Chemistry Answer Key Class 12 (Unofficial )||28th February 2023|
Class 12 Chemistry Answer Key & Analysis 2023
The Unofficial Chemistry Class 12 Answer Key has been discussed by our faculty 0n 28th February 2023 (today itself). Our expert faculty is going to solve the complete Chemistry Question paper to help the students to know what they were wrong and what was right. Join our Class 12 Chemistry Question Paper Analysis 2023 through the below link and know the correct answers to the questions asked.
Class 12 Chemistry Question Paper & Answer (Set 3)
Q1. A compound CaCl2. 6H2O undergoes complete dissociation in water. The Van’t Hoff factor ‘i’ is:
Correct Answer- (c) 3
Q2. For a zero order reaction of the type A→ products, the rate equation may be expressed as
Correct Answer- (a)
Q3. Which of the following Cu2+ halide is not known?
Correct Answer- (b) CuI2
Q4. Which of the following structures represents a-D-glucose?
Correct Answer- (a)
Q5. The compounds [Cr(H2O)glCl3, [Cr(H2O), CIC12. H2O and [Cr(H2O) C12]Cl. 2H2O exhibit:
(a) Linkage isomerism
(b) Geometrical isomerism
(c) Ionization isomerism
(d) Hydrate isomerism
Correct Answer- (d) Hydrate isomerism
Q6. Which of the following alkenes on acid-catalysed hydration gives tertiary alcohol?
Correct Answer- (b) 2-Methylpropene
Q7. When nitrobenzene is heated with tin and concentrated HCl, the product formed is:
Correct Answer- (a)
Q8. Reaction of 1-phenyl-2-chloropropane with alcoholic KOH gives mainly:
Correct Answer- (a) 1-phenylpropene
Q9. Corrosion of iron is:
(a) a decomposition process
(b) a photochemical process
(c) an electrochemical process
(d) a reduction process
Correct Answer- (c) an electrochemical process
Q10. The number of molecules that react with each other in an elementary reaction is a measure of the:
(a) activation energy of the reaction
(b) order of the reaction
(c) stoichiometry of the reaction
(d) molecularity of the reaction
Correct Answer- (d) molecularity of the reaction
Q11. On hydrolysis, which of the following carbohydrates gives glucose and galactose?
Correct Answer- (b) Lactose
Q12. The deficiency of which of the following vitamins causes ‘Rickets’?
(a) Vitamin A
(b) Vitamin D
(c) Vitamin B
(d) Vitamin C
Correct Answer- (b) Vitamin D
Q13. Which of the following is an ‘Acetal’?
Correct Answer- (c)
Class 12 Chemistry Question Paper 2023
CBSE conducted the Class 12 Chemistry Board Exam in offline mode. In today’s exam, the paper was divided into 5 sections with 35 questions for which the exam pattern that has been followed is as follows-
- Section A consists of 18 Questions carrying 1 mark each [Multiple Choice Questions]
- Section B consists of 7 questions carrying 2 marks each [Very Short Answer Questions]
- Section C consists of 5 questions carrying 3 marks each [Short Answer Questions]
- Section D consists of 2 Questions carrying 4 marks each [Case Based Questons]
- Section E consists of 2 Questions carrying 5 marks each [Long Answer Questions]
Class 12 Chemistry Answer Key 2023- FAQs
Q1. Where can I get Class 12 Chemistry Answer Key 2023?
Ans. In this article, we will be discussing complete Class 12 Chemistry Answer Key & Exam Analysis 2023 as discussed by our faculty.
Q2. How many questions are there in Class 12 Chemistry Board Exam?
Ans. There were 35 questions divided into 5 sections asked in today's Class 12 Chemistry Board Exam.
Q3. What was the level of today's CBSE Class 12 Chemistry Exam?
Ans. As per students' reviews, today's Chemistry exam was of Easy to Moderate level.